/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Returns all RigidBody elements
[TArray](API\Runtime\Core\Containers\TArray)< [FRigRigidBodyElement](API\Plugins\ControlRig\Rigs\FRigRigidBodyElement) * > GetRigidBodies ( bool bTraverse ) const